1. The Colorado Trail
www.coloradotrail.org

2. Buckskin Gulch, Utah (read excerpt >>)
www.az.blm.gov/rec/pariaver.htm

3. John Muir Trail, California
www.nps.gov/yose

4. Kalalau Trail, Kaua'i, Hawai'i
www.hawaii.gov/dlnr/dsp

5. McGonagall Pass, Denali National Park and Preserve, Alaska
www.nps.gov/dena

6. Fitz Roy Grand Tour, Patagonia, Argentina
www.elchalten.com

7. Kungsleden, Sweden (read excerpt >>)
www.svenskaturistforeningen.se

8. Mount Everest Base Camp Trek, Nepal
www.mtsobek.com
www.adventure.co.nz

9. Mount Kilimanjaro, Tanzania
www.alpineascents.com
www.mountainguides.com

10. Routeburn Track, New Zealand (read excerpt >>)
www.routeburn.co.nz
www.doc.govt.nz

11. Shackleton Crossing, South Georgia Island
www.geoex.com